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What is Takt Time? Defining and Using

Updated on January 21, 2015
LeanMan profile image

I am a trainer and consultant in lean manufacturing, Six Sigma, quality management, and business management.

What is Takt Time?

Tact time is the drum beat to which our organization should operate, based on the German word for metronome (like an inverted pendulum used for keeping time in music.) It is the basis on which we can create flow within our work-cells and throughout our whole value chain from raw materials to customer delivery.

Tact time is the available working time for production divided by the actual average daily demand for our product(s) expressed in minutes. this gives us the customer demand rate for use throughout our organization and the supply chain.

The Takt time also forms the basis for enabling the design and balancing of our work-cells and production lines in an efficient manner.

Many companies just try to rush as fast as they can thinking if they are producing as quickly as they can then they must be efficient. However a company only has to produce as fast as the customer requires it to.

Why is Takt Time Important?

The Takt time is the demand rate through your process or even the whole value chain. If you cannot ensure that each process can meet the demand rate then you will not be able to keep up with customer demand.

Alternatively if your process produces far faster than the Takt time then you will either make far faster than the customer requires creating excessive stock or you will be using equipment highly inefficiently.

Each step in your process should be producing at or just below the takt time.

Using Takt time

Takt time
Takt time | Source

Takt Time vs Cycle Time

Takt time should not be confused with machine cycle time; machine cycle time is the time taken to produce a part, this could exceed takt time in some cases which would mean that the process would be incapable of producing enough products within the available time.

Where cycle times exceed your Takt time there is a need for machines to either be run on additional shifts to build stock, the product to be outsourced or a need for additional machines to be run in parallel.

Calculating Takt Time

Tact Time Calculation

Calculating the takt time is a simple enough process; firstly we need the available working time for the working day. This is the total number of minutes less any time put aside for things such as team briefings, breaks and planned maintenance. So if the working day is two eight hour shifts each with 40 minutes of breaks, 10 minutes of team briefing, and 10 minutes of planned maintenance our available time is; (480 – 40 – 10 -10) x 2 shifts = 840 minutes

Our average demand is the number of parts require on average for each day, say for instance 1680 parts each and every day.

Our takt time then become Available time / average demand = 840 / 1680 = 0.5 Minutes or 30 seconds. This means that we have to produce one part every 30 seconds to keep up with customer demand.

TAKT Time Calculation Example

Takt Calculation Example
Takt Calculation Example | Source

Takt time video

What is Pitch Time

In some industries rather than use the Takt time for their customer demand rate they use the Pitch rate, which is the Takt time multiplied by the number of components contained in their standard container. Pitch time and Takt time can be used in exactly the same way for analyzing and balancing work flows within your work cells.

Using Takt Time

Because the Takt time is a measure of how many parts the customer wants each minute we can use this to balance each process step to produce exactly at the rate of demand. We do this by balancing the work elements of each process step, enabling work to be shared in a manner that will minimize waiting time for each operator.

So for instance if our takt time is 30 seconds and operator A has work that takes 40 seconds and B has only 15 seconds of work; A has too much work to do and B will be waiting for A as they have less work to do. We can allocate some of operator A’s work to operator B to bring his work load below the 30 second takt time and maintain customer demand.

It also highlights machine cycles that are over the takt time, these machines will either have to be duplicated or run on overtime and stock kept to enable the process to match customer demand.

Machines that run faster than takt time should be slowed down, this may sound like it will cost you more but it will dramatically reduce inventory and all of the associated costs with moving and storing that inventory.

Inventory is the biggest of the 7 lean wastes and should be avoided at all costs, not only does it tie up your cash it also costs you with regards to handling and storage and hides many other issues such as quality problems.

Yamazumi and Takt

Takt time for Yamazumi
Takt time for Yamazumi | Source

Yamazumi boards and Takt time

Yamazumi boards are a simple way to visualize the work content of specific jobs and compare them to the takt time for the process. They are also useful in highlighting wasteful steps in the process to keep the focus on eliminating waste.

Activity timing is made of each work element and these are placed on the yamazumi board as a stacked bar chart for each operator (or main process step), Putting value adding elements in green, unavoidable wasteful steps in orange and wasteful steps in red allows you to quickly see where waste is built into your process also.

This stacked bar should be beneath the takt time line, if not the operator has too much work to complete within the cycle time and some of his work should be passed to the operators either before or after him depending on who has some spare capacity.

This analysis using your Takt time has the additional benefit of forcing you to look at the actual process to review how work is conducted. It helps you to improve actual processes and forces you to look at how you can remove or reduce the wasteful steps in your process.

Balancing Production for Variable Takt Times

If the demand for a product is highly variable or seasonal then there may be a need to balance a work cell to cope with varying levels of demand, this can be achieved by balancing the work elements to the number of operators based on the different required Takt times. So you would balance the Cell for 1 or 2 operators for lower demand times, 3 or 4 for normal production and 5 or 6 operators for peak production periods; each having a set of instructions defining the operations to be undertaken by each operator to achieve the required Takt time and output.

By providing the Takt time for each scenario you can use your Yamazumi planning board to balance the line efficiently for each demand rate and flex your manpower accordingly as with the diagrams below.

Using Takt Time to Balance Work Flow

Click thumbnail to view full-size
Takt Time Requires One OperatorTakt Time Requires 2 OperatorsTakt Time Requires 3 Operators
Takt Time Requires One Operator
Takt Time Requires One Operator | Source
Takt Time Requires 2 Operators
Takt Time Requires 2 Operators | Source
Takt Time Requires 3 Operators
Takt Time Requires 3 Operators | Source

Lean Tact time

Setting up production processes with no idea of your Takt time will result in poorly balanced production processes with people that are wither overworked or waiting for other processes. Using Takt time and Yamazumi analysis allows you to quickly see where the issues are within your organization and to balance the workload accordingly.

It also allows you to efficiently flex your workforce to cope with changes in demand as with the diagrams above. Why have three people working a work cell and passing time to just meet customer demand (as they will) when you can use the labor elsewhere in your processes where there is greater demand.

If you have any questions about Takt time or any other lean manufacturing tool please feel free to leave comments below.


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    • LeanMan profile imageAUTHOR


      5 years ago from At the Gemba

      Hi Mirko,

      Had to read your description a few times to get what you are talking about, however I think I understand... As you say, you need 19 machines if you are going to meet the takt time. Looking at the setup time however a single operator can only run three machines within the operating times.

      There are a number of options that you can look at here if you want to minimize people and also machines; firstly look at the setup times etc and use SMED ( to reduce those times, also the same techniques can be utilized to reduce the operating time of the machining centers.

      The other thing to look at is how you process the work, do you have to run the whole process on a single machine or is there an opportunity to speed things up by having the process split across several machines and creating a flow? Without seeing or knowing the product it would be difficult to make too many suggestions.

      Feel free to email me if you have any questions or need help.

    • profile image


      5 years ago

      Hello LeanMan,

      I am posting question, not a comment. I hope you have a time and taste for this spaghetti!

      machining project with manual tending:

      TT=30 sec, and machine time is MT=460 s, machines are horizontal machining centers with automatic pallet change, meaning machine is working OP10 while operator is setting OP20. Operator setup time for op10 and op20 are 70 s and 50 s.

      Machine time OP10 is balanced with op 20 which means that MTOP10=230 s and MTOP20=230s.

      If operator starts and completes setup while machine is working machine will automatically swap completed OP10 and start working next 230 sec on op20. When machine is working on OP20 operator is setting new part in OP10. So after 2 runs of each machine one part is completed, that why MT time is 460 S.

      total operators time is 70+50 = 120 s required to produce one part.

      Historically that production is at 80%OEE which helps us determine number of machines:

      MT/TT=460/30=15.33 divided with 80%=19.1=19 machines, however that is just starting point.

      Finally question how many operators you need to run this line? Just by looking Operators time 120 s per part and TT=30 it seams that 120/30 =4 operators would do the job. However if I max out operators then walking increases operators time and I will never get machines to run all the time, I will need more machines.

      What do you suggest? Is there a book or mathematical modeling that can minimize operators and capital?

      Hope to hear back from you. Here is my email:




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